I apologize, but I am not familiar with “EivaaGames” as of my last knowledge update in September 2021. It’s possible that “EivaaGames” is a game developer or publisher that emerged after that time or is a lesser-known entity.
Without specific information about the games developed by EivaaGames or any particular context, it’s challenging to provide a detailed strategy guide. If you can provide additional details about the specific game or games you are referring to from EivaaGames, I would be happy to assist you further in developing a strategy guide.